Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando ele jogou com Peter Nyborg?
 ###Tabelas: CREATE TABLE doubles_finals_8 (doubles_finals_8_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR, Score VARCHAR) CREATE TABLE subdivisions (subdivisions_id AUTO_INCREMENT PRIMARY KEY, No. INT, Hanyu VARCHAR, Tongyong VARCHAR, Pe̍h-ōe-jī VARCHAR, Chinese VARCHAR, Area (km²) VARCHAR, No. of villages INT, Population (2010) INT) CREATE TABLE central_hawke's_bay_district (central_hawke's_bay_district_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile INT, Roll INT) CREATE TABLE michigan_70_albion_0 (michigan_70_albion_0_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Position VARCHAR, Starter VARCHAR, Touchdowns INT, Extra points INT, Field goals INT, Points INT) CREATE TABLE westbound_record_breakers_blue_riband_holders (westbound_record_breakers_blue_riband_holders_id AUTO_INCREMENT PRIMARY KEY, Ship VARCHAR, Year INT, Dates VARCHAR, Line VARCHAR, From VARCHAR, Distance VARCHAR, Days, hours, minutes VARCHAR, Speed VARCHAR)  
SELECT Date FROM doubles_finals_8 WHERE Partner = peter nyborg